package com.banggood.ppsprojectarch.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;

import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;

/**
 * redis配置类
 * @author weihuajiang
 * @date 2017/10/17
 */

@Configuration
@EnableCaching
public class RedisConfig extends CachingConfigurerSupport {

    /**
     * key生成方法
     * @return KeyGenerator
     */
    @Bean
    @Override
    public KeyGenerator keyGenerator() {
        return new KeyGenerator() {
            @Override  
            public Object generate(Object target, Method method, Object... params) {  
                StringBuilder sb = new StringBuilder();  
                sb.append(target.getClass().getName());  
                sb.append(method.getName());  
                for (Object obj : params) {
                    if (obj != null) {
                        sb.append(obj.toString());
                    }
                }
                return sb.toString();  
            }  
        };
    }

    @Bean
    public CacheManager cacheManager(
            @SuppressWarnings("rawtypes") RedisTemplate redisTemplate) {

        RedisCacheManager manage = new RedisCacheManager(redisTemplate);
        manage.setDefaultExpiration(1440);
        Map<String,Long> expiresMap=new HashMap<>();
        manage.setExpires(expiresMap);
        return manage;
    }  
  
    @Bean
    public RedisTemplate<String, String> redisTemplate(
            RedisConnectionFactory factory) {
        StringRedisTemplate template = new StringRedisTemplate(factory);
        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
        ObjectMapper om = new ObjectMapper();
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        jackson2JsonRedisSerializer.setObjectMapper(om);
        template.setEnableTransactionSupport(false);
        template.setValueSerializer(jackson2JsonRedisSerializer);  
        template.afterPropertiesSet();  
        return template;  
    }  
}  